Step one: tear old t-shirt into strips.
Step two: rolls strips into a sort of "rope".....
Step three: place one end in gas tank.
Step four: light end not in gas tank with a match.
Step five: turn and walk away
Step six: call your insurance agent.
Step seven: spend all the money you just saved on Latinas, cerveza and a plane ticket home in a couple months when winter is over.......
Step eight: buy a new bike when the insurance check comes in.